Downgrade iPhone on Firmware OS 3.0 to Older 2.2.1 in Device Firmware Upgrade (DFU) Recovery Mode Pagbaba iPhone sa Firmware OS 3.0 sa luma 2.2.1 sa Device Firmware upgrade (DFU) Recovery Mode

Although the new iPhone OS firmware 3.0 is much better in almost every aspects with important new features, however, some may regrets upgrading their orginal iPhone 2G or iPhone 3G to OS software 3.0. Kahit na ang bagong iPhone OS firmware 3.0 ay mas mahusay sa halos lahat ng aspeto na may mahalagang mga bagong tampok, subalit, ang ilan ay maaaring regrets-a-upgrade ang kanilang orihinal na 2G iPhone o iPhone 3G sa OS software 3.0. One major complaint is that it's harder to jailbreak or unlock iPhone firmware OS version 3.0. Isa sa mga pangunahing reklamo ay na ito ay mahirap mag-jailbreak o i-unlock iPhone firmware OS version 3.0. Beside, during the beta, iPhone UUID must be registered with Apple to update to beta firmware. Sa tabi, sa panahon ng beta, iPhone UUID ay dapat na nakarehistro sa Apple na i-update sa beta firmware.

Luckily, it's easy to downgrade from firmware 3.0, in procedure similar to Kabutihang-palad, ito ay madali ang pagbaba mula sa firmware 3.0, sa pamamaraan na katulad downgrade from iPhone OS 1.1.1 to older version OS pagbaba mula sa iPhone 1.1.1 OS sa mga mas lumang bersyon ng OS . . When downgrading from iPhone 3.0, do not that only OS software can be downgraded, but not baseband 04.20.01. Kapag downgrading mula sa iPhone 3.0, huwag na lang ng OS na software ay maaaring downgrade, ngunit hindi baseband 04.20.01.

1. Download Download iPhone OS software 2.2.1 .ipsw restore image iPhone OS software 2.2.1. ipsw ibalik ang imahe . .
2. Connect iPhone to Mac OS X or Windows PC system. Ikonekta ang iPhone sa Mac OS X o Windows PC system.
3. Run iTunes. Patakbuhin ang iTunes.
4. Select the iPhone from the list of devices in iTunes. Piliin ang iPhone mula sa listahan ng mga aparato sa iTunes.
5. For some iPhone that does not been recognized by iTunes, or returns error message such as 1601, 1602 or 1600, the phone has to be put into DFU (Device Firmware Upgrade) recovery mode by following steps: Para sa ilang mga iPhone na ay hindi pa kinikilala ng iTunes, o bumalik error message na tulad ng 1,601, 1,602 o 1,600, ang telepono ay dapat ilagay sa DFU (Device Firmware upgrade) bawing mode sa pamamagitan ng mga sumusunod na hakbang:
   1. Connect iPhone to computer. Ikonekta ang iPhone sa computer.
   2. Turn iPhone off. Lumiko iPhone off.
   3. Press and hold Power and Home buttons on iPhone simultaneously for 10 seconds until phone turns off (screen goes dark) to reboot iPhone. Pindutin at hold Power at Home buttons sa iPhone sabay-sabay para sa mga 10 segundo hanggang sa telepono ay lumiliko off (screen napupunta madilim) sa reboot iPhone.
   4. Right after iPhone reboots, release Power button but keep pressing Home button for about another 10 seconds, until the PC computers beeps or displays a notification as a USB device is recognized. Kanan pagkatapos ng iPhone reboots, release Power button ngunit patuloy na pagpindot Home button para sa tungkol sa isa pang 10 segundo, hanggang sa ang PC computer beeps o magpapakita ng isang abiso bilang isang USB aparato ay kinikilala.
   5. iTunes should automatically detect iPhone in DFU recovery mode. iTunes dapat awtomatikong makikita iPhone sa pagkuha ng DFU mode.
6. On the Summary tab, press and hold Option (for Mac OS X system) or Shift (for Windows system), and then click Restore. Sa Buod ng tab, pindutin Option (para sa mga sistema ng Mac OS X) o Shift (para sa Windows system), at pagkatapos i-click ang Ibalik.
7. Browse and locate the iPhone firmware OS software update .ipsw file that was downloaded. Browse at hanapin ang iPhone firmware OS software update. Ipsw file na na-download.
8. Click on Restore . I-click ang Ibalik.
9. Ignore error message like 1011, 1013, 1015 that appears at the end of the restoration process even though the older version of the firmware OS software is successfully installed. Huwag pansinin ang mensahe ng error na tulad ng 1,011, 1,013, 1,015 na lumalabas sa dulo ng proseso ng pagbabalik sa dati kahit na sa mas lumang bersyon ng firmware software OS ay matagumpay na nai-install.

To jailbreak iPhone OS 2.2.1, use Upang jailbreak iPhone 2.2.1 OS, gamitin ang QuickPwn 2.2.5 QuickPwn 2.2.5 or o PwnageTool 2.2.5 PwnageTool 2.2.5 . . To unlock iPhone, you probably have to downgrade to Upang i-unlock iPhone, ikaw baka may sa pagsama sa iPhone OS software 2.2 iPhone OS 2.2 software and uses at gumagamit ng mga yellowsn0w yellowsn0w to unlock it. i-unlock ito.

IMPORTANT : The page is machine translated and provided "as is" without warranty. MAHALAGA: Ang pahina ng makina ay isinalin at ibinigay "bilang ganito" walang warranty. Machine translation may be difficult to understand. Machine pagsasalin ay maaaring mahirap maintindihan. Please refer to Mangyaring sumangguni sa original English article orihinal na Ingles na artikulo whenever possible. hangga't maaari.

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This entry was posted on Wednesday, July 1st, 2009 at 10:22 pm and is filed under Entry na ito ay nai-post sa Miyerkules, Hulyo 1, 2009 at 10:22 at ito ay isampa sa ilalim ng Application for Mobile Device Aplikasyon para sa Mobile Device . . You can follow any responses to this entry through the Maaari mong sundin ang anumang sagot na ang entry na ito sa pamamagitan ng RSS 2.0 RSS 2.0 feed. You can feed. Maaari ninyong leave a response mag-iwan ng tugon , or , O trackback trackback from your own site. mula sa iyong sariling site.